Family name Oira (Oira 
) , in the world, is quite a rare surname. The family name Oira is characteristic of Kenya, where it is quite a rare surname, Philippines, and Canada, where it is a very rare surname. Measured by absolute frequency, it is commonest in Philippines, Kenya, and China. Much less frequently, Oira is the forename as well as the last name.
Ma, Jane, Jose, John, Joel, Jefe, Nida, Nona, Eric, Yuri, Zeus, Maria, Moira, Mercy, Sanny, Sarah, Sonia, Sphri, Alvin, Allan, Angel, Arnel, Lucy, April, Leny, Gina, Sa, Fe, Mia, Lor, Joy, Mary, Mark, Mila, Alex, Aldo, Armi, Abby, Beau, Rosa, Rose, Riza, Ruby, Ryan, Dana, Dave, Dina, Gigi, and Carlo